diff options
Diffstat (limited to 'drivers/usb/gadget/function')
| -rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 204 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_hid.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_loopback.c | 3 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_phonet.c | 5 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_sourcesink.c | 511 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_uac2.c | 34 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/g_zero.h | 13 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/uvc_v4l2.c | 1 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/uvc_video.c | 1 |
9 files changed, 125 insertions, 649 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index af98b096af2f..175c9956cbe3 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -144,10 +144,9 @@ struct ffs_io_data { bool read; struct kiocb *kiocb; - const struct iovec *iovec; - unsigned long nr_segs; - char __user *buf; - size_t len; + struct iov_iter data; + const void *to_free; + char *buf; struct mm_struct *mm; struct work_struct work; @@ -649,29 +648,10 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->req->actual; if (io_data->read && ret > 0) { - int i; - size_t pos = 0; - - /* - * Since req->length may be bigger than io_data->len (after - * being rounded up to maxpacketsize), we may end up with more - * data then user space has space for. - */ - ret = min_t(int, ret, io_data->len); - use_mm(io_data->mm); - for (i = 0; i < io_data->nr_segs; i++) { - size_t len = min_t(size_t, ret - pos, - io_data->iovec[i].iov_len); - if (!len) - break; - if (unlikely(copy_to_user(io_data->iovec[i].iov_base, - &io_data->buf[pos], len))) { - ret = -EFAULT; - break; - } - pos += len; - } + ret = copy_to_iter(io_data->buf, ret, &io_data->data); + if (iov_iter_count(&io_data->data)) + ret = -EFAULT; unuse_mm(io_data->mm); } @@ -684,7 +664,7 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->kiocb->private = NULL; if (io_data->read) - kfree(io_data->iovec); + kfree(io_data->to_free); kfree(io_data->buf); kfree(io_data); } @@ -743,6 +723,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) * before the waiting completes, so do not assign to 'gadget' earlier */ struct usb_gadget *gadget = epfile->ffs->gadget; + size_t copied; spin_lock_irq(&epfile->ffs->eps_lock); /* In the meantime, endpoint got disabled or changed. */ @@ -750,34 +731,21 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) spin_unlock_irq(&epfile->ffs->eps_lock); return -ESHUTDOWN; } + data_len = iov_iter_count(&io_data->data); /* * Controller may require buffer size to be aligned to * maxpacketsize of an out endpoint. */ - data_len = io_data->read ? - usb_ep_align_maybe(gadget, ep->ep, io_data->len) : - io_data->len; + if (io_data->read) + data_len = usb_ep_align_maybe(gadget, ep->ep, data_len); spin_unlock_irq(&epfile->ffs->eps_lock); data = kmalloc(data_len, GFP_KERNEL); if (unlikely(!data)) return -ENOMEM; - if (io_data->aio && !io_data->read) { - int i; - size_t pos = 0; - for (i = 0; i < io_data->nr_segs; i++) { - if (unlikely(copy_from_user(&data[pos], - io_data->iovec[i].iov_base, - io_data->iovec[i].iov_len))) { - ret = -EFAULT; - goto error; - } - pos += io_data->iovec[i].iov_len; - } - } else { - if (!io_data->read && - unlikely(__copy_from_user(data, io_data->buf, - io_data->len))) { + if (!io_data->read) { + copied = copy_from_iter(data, data_len, &io_data->data); + if (copied != data_len) { ret = -EFAULT; goto error; } @@ -876,10 +844,8 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) */ ret = ep->status; if (io_data->read && ret > 0) { - ret = min_t(size_t, ret, io_data->len); - - if (unlikely(copy_to_user(io_data->buf, - data, ret))) + ret = copy_to_iter(data, ret, &io_data->data); + if (unlikely(iov_iter_count(&io_data->data))) ret = -EFAULT; } } @@ -898,37 +864,6 @@ error: return ret; } -static ssize_t -ffs_epfile_write(struct file *file, const char __user *buf, size_t len, - loff_t *ptr) -{ - struct ffs_io_data io_data; - - ENTER(); - - io_data.aio = false; - io_data.read = false; - io_data.buf = (char * __user)buf; - io_data.len = len; - - return ffs_epfile_io(file, &io_data); -} - -static ssize_t -ffs_epfile_read(struct file *file, char __user *buf, size_t len, loff_t *ptr) -{ - struct ffs_io_data io_data; - - ENTER(); - - io_data.aio = false; - io_data.read = true; - io_data.buf = buf; - io_data.len = len; - - return ffs_epfile_io(file, &io_data); -} - static int ffs_epfile_open(struct inode *inode, struct file *file) { @@ -965,67 +900,86 @@ static int ffs_aio_cancel(struct kiocb *kiocb) return value; } -static ssize_t ffs_epfile_aio_write(struct kiocb *kiocb, - const struct iovec *iovec, - unsigned long nr_segs, loff_t loff) +static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) { - struct ffs_io_data *io_data; + struct ffs_io_data io_data, *p = &io_data; + ssize_t res; ENTER(); - io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); - if (unlikely(!io_data)) - return -ENOMEM; + if (!is_sync_kiocb(kiocb)) { + p = kmalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { + p->aio = false; + } - io_data->aio = true; - io_data->read = false; - io_data->kiocb = kiocb; - io_data->iovec = iovec; - io_data->nr_segs = nr_segs; - io_data->len = kiocb->ki_nbytes; - io_data->mm = current->mm; + p->read = false; + p->kiocb = kiocb; + p->data = *from; + p->mm = current->mm; - kiocb->private = io_data; + kiocb->private = p; kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); - return ffs_epfile_io(kiocb->ki_filp, io_data); + res = ffs_epfile_io(kiocb->ki_filp, p); + if (res == -EIOCBQUEUED) + return res; + if (p->aio) + kfree(p); + else + *from = p->data; + return res; } -static ssize_t ffs_epfile_aio_read(struct kiocb *kiocb, - const struct iovec *iovec, - unsigned long nr_segs, loff_t loff) +static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) { - struct ffs_io_data *io_data; - struct iovec *iovec_copy; + struct ffs_io_data io_data, *p = &io_data; + ssize_t res; ENTER(); - iovec_copy = kmalloc_array(nr_segs, sizeof(*iovec_copy), GFP_KERNEL); - if (unlikely(!iovec_copy)) - return -ENOMEM; - - memcpy(iovec_copy, iovec, sizeof(struct iovec)*nr_segs); - - io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); - if (unlikely(!io_data)) { - kfree(iovec_copy); - return -ENOMEM; + if (!is_sync_kiocb(kiocb)) { + p = kmalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { + p->aio = false; } - io_data->aio = true; - io_data->read = true; - io_data->kiocb = kiocb; - io_data->iovec = iovec_copy; - io_data->nr_segs = nr_segs; - io_data->len = kiocb->ki_nbytes; - io_data->mm = current->mm; + p->read = true; + p->kiocb = kiocb; + if (p->aio) { + p->to_free = dup_iter(&p->data, to, GFP_KERNEL); + if (!p->to_free) { + kfree(p); + return -ENOMEM; + } + } else { + p->data = *to; + p->to_free = NULL; + } + p->mm = current->mm; - kiocb->private = io_data; + kiocb->private = p; kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); - return ffs_epfile_io(kiocb->ki_filp, io_data); + res = ffs_epfile_io(kiocb->ki_filp, p); + if (res == -EIOCBQUEUED) + return res; + + if (p->aio) { + kfree(p->to_free); + kfree(p); + } else { + *to = p->data; + } + return res; } static int @@ -1105,10 +1059,10 @@ static const struct file_operations ffs_epfile_operations = { .llseek = no_llseek, .open = ffs_epfile_open, - .write = ffs_epfile_write, - .read = ffs_epfile_read, - .aio_write = ffs_epfile_aio_write, - .aio_read = ffs_epfile_aio_read, + .write = new_sync_write, + .read = new_sync_read, + .write_iter = ffs_epfile_write_iter, + .read_iter = ffs_epfile_read_iter, .release = ffs_epfile_release, .unlocked_ioctl = ffs_epfile_ioctl, }; diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 426d69a9c018..a2612fb79eff 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -569,7 +569,7 @@ fail: return status; } -const struct file_operations f_hidg_fops = { +static const struct file_operations f_hidg_fops = { .owner = THIS_MODULE, .open = f_hidg_open, .release = f_hidg_release, diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index 298b46112b1a..39f49f1ad22f 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -289,8 +289,7 @@ static void disable_loopback(struct f_loopback *loop) struct usb_composite_dev *cdev; cdev = loop->function.config->cdev; - disable_endpoints(cdev, loop->in_ep, loop->out_ep, NULL, NULL, NULL, - NULL); + disable_endpoints(cdev, loop->in_ep, loop->out_ep, NULL, NULL); VDBG(cdev, "%s disabled\n", loop->function.name); } diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index c89e96cfa3e4..c0c3ef272714 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -417,7 +417,10 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt) return -EINVAL; spin_lock(&port->lock); - __pn_reset(f); + + if (fp->in_ep->driver_data) + __pn_reset(f); + if (alt == 1) { int i; diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index e07c50ced64d..3a5ae9900b1e 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -23,15 +23,6 @@ #include "gadget_chips.h" #include "u_f.h" -#define USB_MS_TO_SS_INTERVAL(x) USB_MS_TO_HS_INTERVAL(x) - -enum eptype { - EP_CONTROL = 0, - EP_BULK, - EP_ISOC, - EP_INTERRUPT, -}; - /* * SOURCE/SINK FUNCTION ... a primary testing vehicle for USB peripheral * controller drivers. @@ -64,8 +55,6 @@ struct f_sourcesink { struct usb_ep *out_ep; struct usb_ep *iso_in_ep; struct usb_ep *iso_out_ep; - struct usb_ep *int_in_ep; - struct usb_ep *int_out_ep; int cur_alt; }; @@ -79,10 +68,6 @@ static unsigned isoc_interval; static unsigned isoc_maxpacket; static unsigned isoc_mult; static unsigned isoc_maxburst; -static unsigned int_interval; /* In ms */ -static unsigned int_maxpacket; -static unsigned int_mult; -static unsigned int_maxburst; static unsigned buflen; /*-------------------------------------------------------------------------*/ @@ -107,16 +92,6 @@ static struct usb_interface_descriptor source_sink_intf_alt1 = { /* .iInterface = DYNAMIC */ }; -static struct usb_interface_descriptor source_sink_intf_alt2 = { - .bLength = USB_DT_INTERFACE_SIZE, - .bDescriptorType = USB_DT_INTERFACE, - - .bAlternateSetting = 2, - .bNumEndpoints = 2, - .bInterfaceClass = USB_CLASS_VENDOR_SPEC, - /* .iInterface = DYNAMIC */ -}; - /* full speed support: */ static struct usb_endpoint_descriptor fs_source_desc = { @@ -155,26 +130,6 @@ static struct usb_endpoint_descriptor fs_iso_sink_desc = { .bInterval = 4, }; -static struct usb_endpoint_descriptor fs_int_source_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bEndpointAddress = USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(64), - .bInterval = GZERO_INT_INTERVAL, -}; - -static struct usb_endpoint_descriptor fs_int_sink_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bEndpointAddress = USB_DIR_OUT, - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(64), - .bInterval = GZERO_INT_INTERVAL, -}; - static struct usb_descriptor_header *fs_source_sink_descs[] = { (struct usb_descriptor_header *) &source_sink_intf_alt0, (struct usb_descriptor_header *) &fs_sink_desc, @@ -185,10 +140,6 @@ static struct usb_descriptor_header *fs_source_sink_descs[] = { (struct usb_descriptor_header *) &fs_source_desc, (struct usb_descriptor_header *) &fs_iso_sink_desc, (struct usb_descriptor_header *) &fs_iso_source_desc, - (struct usb_descriptor_header *) &source_sink_intf_alt2, -#define FS_ALT_IFC_2_OFFSET 8 - (struct usb_descriptor_header *) &fs_int_sink_desc, - (struct usb_descriptor_header *) &fs_int_source_desc, NULL, }; @@ -228,24 +179,6 @@ static struct usb_endpoint_descriptor hs_iso_sink_desc = { .bInterval = 4, }; -static struct usb_endpoint_descriptor hs_int_source_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(1024), - .bInterval = USB_MS_TO_HS_INTERVAL(GZERO_INT_INTERVAL), -}; - -static struct usb_endpoint_descriptor hs_int_sink_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(1024), - .bInterval = USB_MS_TO_HS_INTERVAL(GZERO_INT_INTERVAL), -}; - static struct usb_descriptor_header *hs_source_sink_descs[] = { (struct usb_descriptor_header *) &source_sink_intf_alt0, (struct usb_descriptor_header *) &hs_source_desc, @@ -256,10 +189,6 @@ static struct usb_descriptor_header *hs_source_sink_descs[] = { (struct usb_descriptor_header *) &hs_sink_desc, (struct usb_descriptor_header *) &hs_iso_source_desc, (struct usb_descriptor_header *) &hs_iso_sink_desc, - (struct usb_descriptor_header *) &source_sink_intf_alt2, -#define HS_ALT_IFC_2_OFFSET 8 - (struct usb_descriptor_header *) &hs_int_source_desc, - (struct usb_descriptor_header *) &hs_int_sink_desc, NULL, }; @@ -335,42 +264,6 @@ static struct usb_ss_ep_comp_descriptor ss_iso_sink_comp_desc = { .wBytesPerInterval = cpu_to_le16(1024), }; -static struct usb_endpoint_descriptor ss_int_source_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(1024), - .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), -}; - -struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = { - .bLength = USB_DT_SS_EP_COMP_SIZE, - .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, - - .bMaxBurst = 0, - .bmAttributes = 0, - .wBytesPerInterval = cpu_to_le16(1024), -}; - -static struct usb_endpoint_descriptor ss_int_sink_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = cpu_to_le16(1024), - .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), -}; - -struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = { - .bLength = USB_DT_SS_EP_COMP_SIZE, - .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, - - .bMaxBurst = 0, - .bmAttributes = 0, - .wBytesPerInterval = cpu_to_le16(1024), -}; - static struct usb_descriptor_header *ss_source_sink_descs[] = { (struct usb_descriptor_header *) &source_sink_intf_alt0, (struct usb_descriptor_header *) &ss_source_desc, @@ -387,12 +280,6 @@ static struct usb_descriptor_header *ss_source_sink_descs[] = { (struct usb_descriptor_header *) &ss_iso_source_comp_desc, (struct usb_descriptor_header *) &ss_iso_sink_desc, (struct usb_descriptor_header *) &ss_iso_sink_comp_desc, - (struct usb_descriptor_header *) &source_sink_intf_alt2, -#define SS_ALT_IFC_2_OFFSET 14 - (struct usb_descriptor_header *) &ss_int_source_desc, - (struct usb_descriptor_header *) &ss_int_source_comp_desc, - (struct usb_descriptor_header *) &ss_int_sink_desc, - (struct usb_descriptor_header *) &ss_int_sink_comp_desc, NULL, }; @@ -414,21 +301,6 @@ static struct usb_gadget_strings *sourcesink_strings[] = { }; /*-------------------------------------------------------------------------*/ -static const char *get_ep_string(enum eptype ep_type) -{ - switch (ep_type) { - case EP_ISOC: - return "ISOC-"; - case EP_INTERRUPT: - return "INTERRUPT-"; - case EP_CONTROL: - return "CTRL-"; - case EP_BULK: - return "BULK-"; - default: - return "UNKNOWN-"; - } -} static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len) { @@ -456,8 +328,7 @@ static void disable_ep(struct usb_composite_dev *cdev, struct usb_ep *ep) void disable_endpoints(struct usb_composite_dev *cdev, struct usb_ep *in, struct usb_ep *out, - struct usb_ep *iso_in, struct usb_ep *iso_out, - struct usb_ep *int_in, struct usb_ep *int_out) + struct usb_ep *iso_in, struct usb_ep *iso_out) { disable_ep(cdev, in); disable_ep(cdev, out); @@ -465,10 +336,6 @@ void disable_endpoints(struct usb_composite_dev *cdev, disable_ep(cdev, iso_in); if (iso_out) disable_ep(cdev, iso_out); - if (int_in) - disable_ep(cdev, int_in); - if (int_out) - disable_ep(cdev, int_out); } static int @@ -485,7 +352,6 @@ sourcesink_bind(struct usb_configuration *c, struct usb_function *f) return id; source_sink_intf_alt0.bInterfaceNumber = id; source_sink_intf_alt1.bInterfaceNumber = id; - source_sink_intf_alt2.bInterfaceNumber = id; /* allocate bulk endpoints */ ss->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_source_desc); @@ -546,55 +412,14 @@ no_iso: if (isoc_maxpacket > 1024) isoc_maxpacket = 1024; - /* sanity check the interrupt module parameters */ - if (int_interval < 1) - int_interval = 1; - if (int_interval > 4096) - int_interval = 4096; - if (int_mult > 2) - int_mult = 2; - if (int_maxburst > 15) - int_maxburst = 15; - - /* fill in the FS interrupt descriptors from the module parameters */ - fs_int_source_desc.wMaxPacketSize = int_maxpacket > 64 ? - 64 : int_maxpacket; - fs_int_source_desc.bInterval = int_interval > 255 ? - 255 : int_interval; - fs_int_sink_desc.wMaxPacketSize = int_maxpacket > 64 ? - 64 : int_maxpacket; - fs_int_sink_desc.bInterval = int_interval > 255 ? - 255 : int_interval; - - /* allocate int endpoints */ - ss->int_in_ep = usb_ep_autoconfig(cdev->gadget, &fs_int_source_desc); - if (!ss->int_in_ep) - goto no_int; - ss->int_in_ep->driver_data = cdev; /* claim */ - - ss->int_out_ep = usb_ep_autoconfig(cdev->gadget, &fs_int_sink_desc); - if (ss->int_out_ep) { - ss->int_out_ep->driver_data = cdev; /* claim */ - } else { - ss->int_in_ep->driver_data = NULL; - ss->int_in_ep = NULL; -no_int: - fs_source_sink_descs[FS_ALT_IFC_2_OFFSET] = NULL; - hs_source_sink_descs[HS_ALT_IFC_2_OFFSET] = NULL; - ss_source_sink_descs[SS_ALT_IFC_2_OFFSET] = NULL; - } - - if (int_maxpacket > 1024) - int_maxpacket = 1024; - /* support high speed hardware */ hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress; hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress; /* - * Fill in the HS isoc and interrupt descriptors from the module - * parameters. We assume that the user knows what they are doing and - * won't give parameters that their UDC doesn't support. + * Fill in the HS isoc descriptors from the module parameters. + * We assume that the user knows what they are doing and won't + * give parameters that their UDC doesn't support. */ hs_iso_source_desc.wMaxPacketSize = isoc_maxpacket; hs_iso_source_desc.wMaxPacketSize |= isoc_mult << 11; @@ -607,17 +432,6 @@ no_int: hs_iso_sink_desc.bInterval = isoc_interval; hs_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress; - hs_int_source_desc.wMaxPacketSize = int_maxpacket; - hs_int_source_desc.wMaxPacketSize |= int_mult << 11; - hs_int_source_desc.bInterval = USB_MS_TO_HS_INTERVAL(int_interval); - hs_int_source_desc.bEndpointAddress = - fs_int_source_desc.bEndpointAddress; - - hs_int_sink_desc.wMaxPacketSize = int_maxpacket; - hs_int_sink_desc.wMaxPacketSize |= int_mult << 11; - hs_int_sink_desc.bInterval = USB_MS_TO_HS_INTERVAL(int_interval); - hs_int_sink_desc.bEndpointAddress = fs_int_sink_desc.bEndpointAddress; - /* support super speed hardware */ ss_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress; @@ -625,9 +439,9 @@ no_int: fs_sink_desc.bEndpointAddress; /* - * Fill in the SS isoc and interrupt descriptors from the module - * parameters. We assume that the user knows what they are doing and - * won't give parameters that their UDC doesn't support. + * Fill in the SS isoc descriptors from the module parameters. + * We assume that the user knows what they are doing and won't + * give parameters that their UDC doesn't support. */ ss_iso_source_desc.wMaxPacketSize = isoc_maxpacket; ss_iso_source_desc.bInterval = isoc_interval; @@ -646,37 +460,17 @@ no_int: isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1); ss_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress; - ss_int_source_desc.wMaxPacketSize = int_maxpacket; - ss_int_source_desc.bInterval = USB_MS_TO_SS_INTERVAL(int_interval); - ss_int_source_comp_desc.bmAttributes = int_mult; - ss_int_source_comp_desc.bMaxBurst = int_maxburst; - ss_int_source_comp_desc.wBytesPerInterval = - int_maxpacket * (int_mult + 1) * (int_maxburst + 1); - ss_int_source_desc.bEndpointAddress = - fs_int_source_desc.bEndpointAddress; - - ss_int_sink_desc.wMaxPacketSize = int_maxpacket; - ss_int_sink_desc.bInterval = USB_MS_TO_SS_INTERVAL(int_interval); - ss_int_sink_comp_desc.bmAttributes = int_mult; - ss_int_sink_comp_desc.bMaxBurst = int_maxburst; - ss_int_sink_comp_desc.wBytesPerInterval = - int_maxpacket * (int_mult + 1) * (int_maxburst + 1); - ss_int_sink_desc.bEndpointAddress = fs_int_sink_desc.bEndpointAddress; - ret = usb_assign_descriptors(f, fs_source_sink_descs, hs_source_sink_descs, ss_source_sink_descs); if (ret) return ret; - DBG(cdev, "%s speed %s: IN/%s, OUT/%s, ISO-IN/%s, ISO-OUT/%s, " - "INT-IN/%s, INT-OUT/%s\n", + DBG(cdev, "%s speed %s: IN/%s, OUT/%s, ISO-IN/%s, ISO-OUT/%s\n", (gadget_is_superspeed(c->cdev->gadget) ? "super" : (gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full")), f->name, ss->in_ep->name, ss->out_ep->name, ss->iso_in_ep ? ss->iso_in_ep->name : "<none>", - ss->iso_out_ep ? ss->iso_out_ep->name : "<none>", - ss->int_in_ep ? ss->int_in_ep->name : "<none>", - ss->int_out_ep ? ss->int_out_ep->name : "<none>"); + ss->iso_out_ep ? ss->iso_out_ep->name : "<none>"); return 0; } @@ -807,15 +601,14 @@ static void source_sink_complete(struct usb_ep *ep, struct usb_request *req) } static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, - enum eptype ep_type, int speed) + bool is_iso, int speed) { struct usb_ep *ep; struct usb_request *req; int i, size, status; for (i = 0; i < 8; i++) { - switch (ep_type) { - case EP_ISOC: + if (is_iso) { switch (speed) { case USB_SPEED_SUPER: size = isoc_maxpacket * (isoc_mult + 1) * @@ -831,28 +624,9 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, } ep = is_in ? ss->iso_in_ep : ss->iso_out_ep; req = ss_alloc_ep_req(ep, size); - break; - case EP_INTERRUPT: - switch (speed) { - case USB_SPEED_SUPER: - size = int_maxpacket * (int_mult + 1) * - (int_maxburst + 1); - break; - case USB_SPEED_HIGH: - size = int_maxpacket * (int_mult + 1); - break; - default: - size = int_maxpacket > 1023 ? - 1023 : int_maxpacket; - break; - } - ep = is_in ? ss->int_in_ep : ss->int_out_ep; - req = ss_alloc_ep_req(ep, size); - break; - default: + } else { ep = is_in ? ss->in_ep : ss->out_ep; req = ss_alloc_ep_req(ep, 0); - break; } if (!req) @@ -870,12 +644,12 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, cdev = ss->function.config->cdev; ERROR(cdev, "start %s%s %s --> %d\n", - get_ep_string(ep_type), is_in ? "IN" : "OUT", - ep->name, status); + is_iso ? "ISO-" : "", is_in ? "IN" : "OUT", + ep->name, status); free_ep_req(ep, req); } - if (!(ep_type == EP_ISOC)) + if (!is_iso) break; } @@ -888,7 +662,7 @@ static void disable_source_sink(struct f_sourcesink *ss) cdev = ss->function.config->cdev; disable_endpoints(cdev, ss->in_ep, ss->out_ep, ss->iso_in_ep, - ss->iso_out_ep, ss->int_in_ep, ss->int_out_ep); + ss->iso_out_ep); VDBG(cdev, "%s disabled\n", ss->function.name); } @@ -900,62 +674,6 @@ enable_source_sink(struct usb_composite_dev *cdev, struct f_sourcesink *ss, int speed = cdev->gadget->speed; struct usb_ep *ep; - if (alt == 2) { - /* Configure for periodic interrupt endpoint */ - ep = ss->int_in_ep; - if (ep) { - result = config_ep_by_speed(cdev->gadget, - &(ss->function), ep); - if (result) - return result; - - result = usb_ep_enable(ep); - if (result < 0) - return result; - - ep->driver_data = ss; - result = source_sink_start_ep(ss, true, EP_INTERRUPT, - speed); - if (result < 0) { -fail1: - ep = ss->int_in_ep; - if (ep) { - usb_ep_disable(ep); - ep->driver_data = NULL; - } - return result; - } - } - - /* - * one interrupt endpoint reads (sinks) anything OUT (from the - * host) - */ - ep = ss->int_out_ep; - if (ep) { - result = config_ep_by_speed(cdev->gadget, - &(ss->function), ep); - if (result) - goto fail1; - - result = usb_ep_enable(ep); - if (result < 0) - goto fail1; - - ep->driver_data = ss; - result = source_sink_start_ep(ss, false, EP_INTERRUPT, - speed); - if (result < 0) { - ep = ss->int_out_ep; - usb_ep_disable(ep); - ep->driver_data = NULL; - goto fail1; - } - } - - goto out; - } - /* one bulk endpoint writes (sources) zeroes IN (to the host) */ ep = ss->in_ep; result = config_ep_by_speed(cdev->gadget, &(ss->function), ep); @@ -966,7 +684,7 @@ fail1: return result; ep->driver_data = ss; - result = source_sink_start_ep(ss, true, EP_BULK, speed); + result = source_sink_start_ep(ss, true, false, speed); if (result < 0) { fail: ep = ss->in_ep; @@ -985,7 +703,7 @@ fail: goto fail; ep->driver_data = ss; - result = source_sink_start_ep(ss, false, EP_BULK, speed); + result = source_sink_start_ep(ss, false, false, speed); if (result < 0) { fail2: ep = ss->out_ep; @@ -1008,7 +726,7 @@ fail2: goto fail2; ep->driver_data = ss; - result = source_sink_start_ep(ss, true, EP_ISOC, speed); + result = source_sink_start_ep(ss, true, true, speed); if (result < 0) { fail3: ep = ss->iso_in_ep; @@ -1031,14 +749,13 @@ fail3: goto fail3; ep->driver_data = ss; - result = source_sink_start_ep(ss, false, EP_ISOC, speed); + result = source_sink_start_ep(ss, false, true, speed); if (result < 0) { usb_ep_disable(ep); ep->driver_data = NULL; goto fail3; } } - out: ss->cur_alt = alt; @@ -1054,8 +771,6 @@ static int sourcesink_set_alt(struct usb_function *f, if (ss->in_ep->driver_data) disable_source_sink(ss); - else if (alt == 2 && ss->int_in_ep->driver_data) - disable_source_sink(ss); return enable_source_sink(cdev, ss, alt); } @@ -1168,10 +883,6 @@ static struct usb_function *source_sink_alloc_func( isoc_maxpacket = ss_opts->isoc_maxpacket; isoc_mult = ss_opts->isoc_mult; isoc_maxburst = ss_opts->isoc_maxburst; - int_interval = ss_opts->int_interval; - int_maxpacket = ss_opts->int_maxpacket; - int_mult = ss_opts->int_mult; - int_maxburst = ss_opts->int_maxburst; buflen = ss_opts->bulk_buflen; ss->function.name = "source/sink"; @@ -1468,182 +1179,6 @@ static struct f_ss_opts_attribute f_ss_opts_bulk_buflen = f_ss_opts_bulk_buflen_show, f_ss_opts_bulk_buflen_store); -static ssize_t f_ss_opts_int_interval_show(struct f_ss_opts *opts, char *page) -{ - int result; - - mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->int_interval); - mutex_unlock(&opts->lock); - - return result; -} - -static ssize_t f_ss_opts_int_interval_store(struct f_ss_opts *opts, - const char *page, size_t len) -{ - int ret; - u32 num; - - mutex_lock(&opts->lock); - if (opts->refcnt) { - ret = -EBUSY; - goto end; - } - - ret = kstrtou32(page, 0, &num); - if (ret) - goto end; - - if (num > 4096) { - ret = -EINVAL; - goto end; - } - - opts->int_interval = num; - ret = len; -end: - mutex_unlock(&opts->lock); - return ret; -} - -static struct f_ss_opts_attribute f_ss_opts_int_interval = - __CONFIGFS_ATTR(int_interval, S_IRUGO | S_IWUSR, - f_ss_opts_int_interval_show, - f_ss_opts_int_interval_store); - -static ssize_t f_ss_opts_int_maxpacket_show(struct f_ss_opts *opts, char *page) -{ - int result; - - mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->int_maxpacket); - mutex_unlock(&opts->lock); - - return result; -} - -static ssize_t f_ss_opts_int_maxpacket_store(struct f_ss_opts *opts, - const char *page, size_t len) -{ - int ret; - u16 num; - - mutex_lock(&opts->lock); - if (opts->refcnt) { - ret = -EBUSY; - goto end; - } - - ret = kstrtou16(page, 0, &num); - if (ret) - goto end; - - if (num > 1024) { - ret = -EINVAL; - goto end; - } - - opts->int_maxpacket = num; - ret = len; -end: - mutex_unlock(&opts->lock); - return ret; -} - -static struct f_ss_opts_attribute f_ss_opts_int_maxpacket = - __CONFIGFS_ATTR(int_maxpacket, S_IRUGO | S_IWUSR, - f_ss_opts_int_maxpacket_show, - f_ss_opts_int_maxpacket_store); - -static ssize_t f_ss_opts_int_mult_show(struct f_ss_opts *opts, char *page) -{ - int result; - - mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->int_mult); - mutex_unlock(&opts->lock); - - return result; -} - -static ssize_t f_ss_opts_int_mult_store(struct f_ss_opts *opts, - const char *page, size_t len) -{ - int ret; - u8 num; - - mutex_lock(&opts->lock); - if (opts->refcnt) { - ret = -EBUSY; - goto end; - } - - ret = kstrtou8(page, 0, &num); - if (ret) - goto end; - - if (num > 2) { - ret = -EINVAL; - goto end; - } - - opts->int_mult = num; - ret = len; -end: - mutex_unlock(&opts->lock); - return ret; -} - -static struct f_ss_opts_attribute f_ss_opts_int_mult = - __CONFIGFS_ATTR(int_mult, S_IRUGO | S_IWUSR, - f_ss_opts_int_mult_show, - f_ss_opts_int_mult_store); - -static ssize_t f_ss_opts_int_maxburst_show(struct f_ss_opts *opts, char *page) -{ - int result; - - mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->int_maxburst); - mutex_unlock(&opts->lock); - - return result; -} - -static ssize_t f_ss_opts_int_maxburst_store(struct f_ss_opts *opts, - const char *page, size_t len) -{ - int ret; - u8 num; - - mutex_lock(&opts->lock); - if (opts->refcnt) { - ret = -EBUSY; - goto end; - } - - ret = kstrtou8(page, 0, &num); - if (ret) - goto end; - - if (num > 15) { - ret = -EINVAL; - goto end; - } - - opts->int_maxburst = num; - ret = len; -end: - mutex_unlock(&opts->lock); - return ret; -} - -static struct f_ss_opts_attribute f_ss_opts_int_maxburst = - __CONFIGFS_ATTR(int_maxburst, S_IRUGO | S_IWUSR, - f_ss_opts_int_maxburst_show, - f_ss_opts_int_maxburst_store); - static struct configfs_attribute *ss_attrs[] = { &f_ss_opts_pattern.attr, &f_ss_opts_isoc_interval.attr, @@ -1651,10 +1186,6 @@ static struct configfs_attribute *ss_attrs[] = { &f_ss_opts_isoc_mult.attr, &f_ss_opts_isoc_maxburst.attr, &f_ss_opts_bulk_buflen.attr, - &f_ss_opts_int_interval.attr, - &f_ss_opts_int_maxpacket.attr, - &f_ss_opts_int_mult.attr, - &f_ss_opts_int_maxburst.attr, NULL, }; @@ -1684,8 +1215,6 @@ static struct usb_function_instance *source_sink_alloc_inst(void) ss_opts->isoc_interval = GZERO_ISOC_INTERVAL; ss_opts->isoc_maxpacket = GZERO_ISOC_MAXPACKET; ss_opts->bulk_buflen = GZERO_BULK_BUFLEN; - ss_opts->int_interval = GZERO_INT_INTERVAL; - ss_opts->int_maxpacket = GZERO_INT_MAXPACKET; config_group_init_type_name(&ss_opts->func_inst.group, "", &ss_func_type); diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 33e16658e5cf..6d3eb8b00a48 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -54,7 +54,7 @@ #define UNFLW_CTRL 8 #define OVFLW_CTRL 10 -const char *uac2_name = "snd_uac2"; +static const char *uac2_name = "snd_uac2"; struct uac2_req { struct uac2_rtd_params *pp; /* parent param */ @@ -634,7 +634,7 @@ static struct usb_interface_descriptor std_ac_if_desc = { }; /* Clock source for IN traffic */ -struct uac_clock_source_descriptor in_clk_src_desc = { +static struct uac_clock_source_descriptor in_clk_src_desc = { .bLength = sizeof in_clk_src_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -646,7 +646,7 @@ struct uac_clock_source_descriptor in_clk_src_desc = { }; /* Clock source for OUT traffic */ -struct uac_clock_source_descriptor out_clk_src_desc = { +static struct uac_clock_source_descriptor out_clk_src_desc = { .bLength = sizeof out_clk_src_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -658,7 +658,7 @@ struct uac_clock_source_descriptor out_clk_src_desc = { }; /* Input Terminal for USB_OUT */ -struct uac2_input_terminal_descriptor usb_out_it_desc = { +static struct uac2_input_terminal_descriptor usb_out_it_desc = { .bLength = sizeof usb_out_it_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -672,7 +672,7 @@ struct uac2_input_terminal_descriptor usb_out_it_desc = { }; /* Input Terminal for I/O-In */ -struct uac2_input_terminal_descriptor io_in_it_desc = { +static struct uac2_input_terminal_descriptor io_in_it_desc = { .bLength = sizeof io_in_it_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -686,7 +686,7 @@ struct uac2_input_terminal_descriptor io_in_it_desc = { }; /* Ouput Terminal for USB_IN */ -struct uac2_output_terminal_descriptor usb_in_ot_desc = { +static struct uac2_output_terminal_descriptor usb_in_ot_desc = { .bLength = sizeof usb_in_ot_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -700,7 +700,7 @@ struct uac2_output_terminal_descriptor usb_in_ot_desc = { }; /* Ouput Terminal for I/O-Out */ -struct uac2_output_terminal_descriptor io_out_ot_desc = { +static struct uac2_output_terminal_descriptor io_out_ot_desc = { .bLength = sizeof io_out_ot_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -713,7 +713,7 @@ struct uac2_output_terminal_descriptor io_out_ot_desc = { .bmControls = (CONTROL_RDWR << COPY_CTRL), }; -struct uac2_ac_header_descriptor ac_hdr_desc = { +static struct uac2_ac_header_descriptor ac_hdr_desc = { .bLength = sizeof ac_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -751,7 +751,7 @@ static struct usb_interface_descriptor std_as_out_if1_desc = { }; /* Audio Stream OUT Intface Desc */ -struct uac2_as_header_descriptor as_out_hdr_desc = { +static struct uac2_as_header_descriptor as_out_hdr_desc = { .bLength = sizeof as_out_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -764,7 +764,7 @@ struct uac2_as_header_descriptor as_out_hdr_desc = { }; /* Audio USB_OUT Format */ -struct uac2_format_type_i_descriptor as_out_fmt1_desc = { +static struct uac2_format_type_i_descriptor as_out_fmt1_desc = { .bLength = sizeof as_out_fmt1_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, @@ -772,7 +772,7 @@ struct uac2_format_type_i_descriptor as_out_fmt1_desc = { }; /* STD AS ISO OUT Endpoint */ -struct usb_endpoint_descriptor fs_epout_desc = { +static struct usb_endpoint_descriptor fs_epout_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -782,7 +782,7 @@ struct usb_endpoint_descriptor fs_epout_desc = { .bInterval = 1, }; -struct usb_endpoint_descriptor hs_epout_desc = { +static struct usb_endpoint_descriptor hs_epout_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -828,7 +828,7 @@ static struct usb_interface_descriptor std_as_in_if1_desc = { }; /* Audio Stream IN Intface Desc */ -struct uac2_as_header_descriptor as_in_hdr_desc = { +static struct uac2_as_header_descriptor as_in_hdr_desc = { .bLength = sizeof as_in_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -841,7 +841,7 @@ struct uac2_as_header_descriptor as_in_hdr_desc = { }; /* Audio USB_IN Format */ -struct uac2_format_type_i_descriptor as_in_fmt1_desc = { +static struct uac2_format_type_i_descriptor as_in_fmt1_desc = { .bLength = sizeof as_in_fmt1_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, @@ -849,7 +849,7 @@ struct uac2_format_type_i_descriptor as_in_fmt1_desc = { }; /* STD AS ISO IN Endpoint */ -struct usb_endpoint_descriptor fs_epin_desc = { +static struct usb_endpoint_descriptor fs_epin_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -859,7 +859,7 @@ struct usb_endpoint_descriptor fs_epin_desc = { .bInterval = 1, }; -struct usb_endpoint_descriptor hs_epin_desc = { +static struct usb_endpoint_descriptor hs_epin_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -1563,7 +1563,7 @@ static void afunc_unbind(struct usb_configuration *c, struct usb_function *f) agdev->out_ep->driver_data = NULL; } -struct usb_function *afunc_alloc(struct usb_function_instance *fi) +static struct usb_function *afunc_alloc(struct usb_function_instance *fi) { struct audio_dev *agdev; struct f_uac2_opts *opts; diff --git a/drivers/usb/gadget/function/g_zero.h b/drivers/usb/gadget/function/g_zero.h index 2ce28b9d97cc..15f180904f8a 100644 --- a/drivers/usb/gadget/function/g_zero.h +++ b/drivers/usb/gadget/function/g_zero.h @@ -10,8 +10,6 @@ #define GZERO_QLEN 32 #define GZERO_ISOC_INTERVAL 4 #define GZERO_ISOC_MAXPACKET 1024 -#define GZERO_INT_INTERVAL 1 /* Default interrupt interval = 1 ms */ -#define GZERO_INT_MAXPACKET 1024 struct usb_zero_options { unsigned pattern; @@ -19,10 +17,6 @@ struct usb_zero_options { unsigned isoc_maxpacket; unsigned isoc_mult; unsigned isoc_maxburst; - unsigned int_interval; /* In ms */ - unsigned int_maxpacket; - unsigned int_mult; - unsigned int_maxburst; unsigned bulk_buflen; unsigned qlen; }; @@ -34,10 +28,6 @@ struct f_ss_opts { unsigned isoc_maxpacket; unsigned isoc_mult; unsigned isoc_maxburst; - unsigned int_interval; /* In ms */ - unsigned int_maxpacket; - unsigned int_mult; - unsigned int_maxburst; unsigned bulk_buflen; /* @@ -72,7 +62,6 @@ int lb_modinit(void); void free_ep_req(struct usb_ep *ep, struct usb_request *req); void disable_endpoints(struct usb_composite_dev *cdev, struct usb_ep *in, struct usb_ep *out, - struct usb_ep *iso_in, struct usb_ep *iso_out, - struct usb_ep *int_in, struct usb_ep *int_out); + struct usb_ep *iso_in, struct usb_ep *iso_out); #endif /* __G_ZERO_H */ diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index 5aad7fededa5..8b818fd027b3 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -27,6 +27,7 @@ #include "uvc.h" #include "uvc_queue.h" #include "uvc_video.h" +#include "uvc_v4l2.h" /* -------------------------------------------------------------------------- * Requests handling diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 9cb86bc1a9a5..50a5e637ca35 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -21,6 +21,7 @@ #include "uvc.h" #include "uvc_queue.h" +#include "uvc_video.h" /* -------------------------------------------------------------------------- * Video codecs |